Long UVA rays — nm not only penetrate deeper than UVB but significantly contribute to premature aging, DNA damage, pigmentation issues, and an increased risk of skin cancer. Despite this, Long UVA protection is often insufficient in current formulations. Figure 1. Skin Section with Microbiome. Most microorganisms live in the superficial layers of the stratum corneum and in the upper parts of the hair follicles.
Some reside in the deeper areas of the hair follicles and are beyond the reach of ordinary disinfection procedures. There bacteria are a reservoir for recolonization after the surface bacteria are removed. Studies of major depressive disorder have been correlated with reduced Lactobacillus and Bifidobacteria and symptom severity has been correlated to changes in Firmicutes, Actinobacteria, and Bacteriodes.
Gut microbiota that contain more butyrate producers have been correlated with improved quality of life 1. A study in healthy women providing probiotic yogurt for four weeks showed an improvement in emotional responses as measured by brain scans 2. A subsequent study by Mohammadi et al. Other studies with probiotics have indicated improvements in depression scores, anxiety, postpartum depression and mood rating in an elderly population Other studies have indicated a benefit of probiotic supplementation in alleviating symptoms of stress.
In particular, researchers have looked at stress in students as they prepared for exams, while also evaluating other health indicators such as flu and cold symptoms 1. In healthy people, there is an indication that probiotic supplementation may help to maintain memory function under conditions of acute stress.
In the field of sunscreen products, consumers are increasingly demanding products that not only offer superior sun protection but also additional resistances such as water resistance, friction rub resistance, sweat resistance, wet skin application effectiveness, and sand resistance. This indicates the growing awareness and need for comprehensive protection against the multifaceted challenges posed by sun exposure.
